Transverse muscle of the chin

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Transverse muscle of the chin
Scheme showing arrangement of fibers of Orbicularis oris. (Triangularis labeled at bottom right.)
Muscles of the head, face, and neck. (Labeled as triangularis near chin.)
Latin musculus transversus menti
Origin
Insertion   
Artery:
Nerve: facial nerve
Action:
Dorlands
/Elsevier
m_22/12551238

The transversus menti, or transverse muscle of the chin, is a facial muscle that is often considered to be the superficial fibers of the depressor anguli oris muscle which cross to the other side of the face.